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feature: Set shared system USM madvise preferred location as prefetch region

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Resolves: NEO-16482

Signed-off-by: John Falkowski <john.falkowski@intel.com>
This commit is contained in:
John Falkowski
2025-11-01 21:36:13 +00:00
committed by Compute-Runtime-Automation
parent 0f5381456d
commit 6b63304673
8 changed files with 184 additions and 23 deletions
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2
shared/source/os_interface/linux/drm_memory_manager.cpp
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@@ -372,7 +372,7 @@ bool DrmMemoryManager::prefetchSharedSystemAlloc(const void *ptr, const size_t s
auto memoryClassDevice = ioctlHelper->getDrmParamValue(DrmParam::memoryClassDevice);
auto region = static_cast<uint32_t>((memoryClassDevice << 16u) | subDeviceIds[0]);
auto vmId = drm.getVirtualMemoryAddressSpace(subDeviceIds[0]);
return ioctlHelper->setVmPrefetch(reinterpret_cast<uint64_t>(ptr), size, region, vmId);
return ioctlHelper->setVmSharedSystemMemPrefetch(reinterpret_cast<uint64_t>(ptr), size, region, vmId);
}
bool DrmMemoryManager::setMemPrefetch(GraphicsAllocation *gfxAllocation, SubDeviceIdsVec &subDeviceIds, uint32_t rootDeviceIndex) {